Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200247 | Bioreactor consisting of silicone materials | Rupert Pfaller | 2015-12-01 |
| 9200248 | Bioreactor comprising a silicone coating | Rupert Pfaller | 2015-12-01 |
| 7401817 | Invisible, machine-detectable security marking, production of the security marking, and security system comprising this security marking | Jurgen Kupfer, Horst Leigeber, Georg Schwalb | 2008-07-22 |
| 6570648 | Machine-detectable security marking with an increased level of proof against forgery, production of the security marking, and security system comprising this security marking | Jurgen Kupfer, Horst Leigeber, Georg Schwalb | 2003-05-27 |
| 6224664 | Mixture comprising pigments having a liquid-crystalline structure with a chiral phase and its use | Eckhard Hanelt, Franz-Heinrich Kreuzer, Jurgen Kupfer, Horst Leigeber | 2001-05-01 |
| 5851277 | Preparation whose coloring depends on the viewing angle | Annemarie Huber | 1998-12-22 |
| 5851604 | Interference pigments comprising molecules fixed in a cholesteric configuration, and use thereof | Silvia Jung, Johann Doppelberger, Walter Goeblmeier | 1998-12-22 |
| 5362315 | Pigments whose color depends on the viewing angle, their preparation and use | Robert Maurer, Jürgen Stohrer, Franz-Heinrich Kreuzer, Silvia Jung, Franz Csellich | 1994-11-08 |